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发明名称
NEEDLE GUARD FOR SEWING MACHINE LOOP TAKER
摘要
申请公布号
CA716841(A)
申请公布日期
1965.08.31
申请号
CAD716841
申请日期
申请人
THE SINGER COMPANY
发明人
RALPH E. JOHNSON
分类号
主分类号
代理机构
代理人
主权项
地址
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